fp

fp.js

const toConstantCase = pipe(
  map(toUpper),
  join('_')
)

function pipe (...fns) {
  return (value) => {
    return fns.reduce((sofar, nextFn) {
      return nextFn(sofar)
    }, value)
  }
}

function mapToUpper (items) {
  return items.map(str => str.toUpperCase())
}

function joinItems (items) {
  return items.join('_')
}

function toConstantCase (path) {
  return path
    .map(str => str.toUpperCase())
    .join('_')
}

const TYPE = toConstantCase(['feathers', 'dogs', 'create'])